Patents for E03F 5 - Sewerage structures (11,230) |
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03/20/2001 | US6203280 Pump totalizer system |
03/20/2001 | US6202675 Lift station flood control system |
03/14/2001 | CN2423333Y Gutter inlet |
03/14/2001 | CN1287204A Assembly type vacuum drainage system |
03/13/2001 | US6200484 Apparatus utilizing sump tank insert sized to fit existing catch basin, wherein run-off flowing into system goes through three filters: grate overlying inlet to catch basin, screen trapping solids that flow past grate, filter media |
03/08/2001 | DE19954492C1 Shaft component, in particular, in the form of a concrete shaft ring comprises load-bearing elements which are uniformly distributed close to the ring circumference and consist of a plastic material with creep properties |
03/07/2001 | EP1081298A2 Modular vacuum drainage system |
03/07/2001 | CN2422360Y Overflow water storage basin |
03/07/2001 | CN2422359Y Speed-regulating variable flow drainage device |
03/06/2001 | US6196762 Non-clogging debris and sediment removal facility |
03/01/2001 | WO2001014647A1 Stable tripod-type linking device, inserted between a receptacle and a lid, and resulting assembly |
03/01/2001 | WO2001014259A1 A method and apparatus for reducing pollution from run-off water from highways |
02/28/2001 | CN1062643C Method and apparatus for controlling pumps in drainage system |
02/28/2001 | CN1062626C Jetting type filter net device |
02/28/2001 | CN1062625C Positioning self-locked gully grating device |
02/28/2001 | CA2316481A1 Modular vacuum drainage system |
02/27/2001 | US6192915 Sewerage inlet |
02/21/2001 | CN2420349Y Super heavy steel fiber concrete rain grating |
02/20/2001 | US6190545 Drainwater treatment system for use in a horizontal passageway |
02/18/2001 | CA2315561A1 Arrangement with a female pipe adapter, a female pipe adapter, a bottom pan, an opening design, and a mould core |
02/14/2001 | CN2419286Y Cylindrical drain |
02/13/2001 | US6187180 Apparatus for screening |
02/13/2001 | US6185758 Device in draining gutters |
02/13/2001 | CA2232927C Protective cover for plumbing fixtures |
02/08/2001 | WO2001009443A1 A system to prevent the rise of insects and other animals in drainpipes of hydraulic installations in building industry and roads |
02/08/2001 | DE19939033C1 Lower drainage shaft assembly has a liner body with inflow connections and a lower body with embrasure openings to be linked together according to the drainpipe layout |
02/07/2001 | EP1073610A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
02/06/2001 | US6183633 Separator |
02/03/2001 | CA2300290A1 Manhole with extension wings |
01/31/2001 | EP0951452A4 Method and apparatus for helical flow in a header conduit |
01/31/2001 | CN2417217Y Stairs like grate for removing solid substance |
01/31/2001 | CN2417216Y Pipeline water stop means |
01/25/2001 | DE19933391A1 Wet grit trap solids level sensor, is based on end-pivoted tube alternately filled by compressed air and water, causing it to adopt resting position on top of solids accumulation |
01/24/2001 | EP1009888A4 Pollutant interceptor |
01/24/2001 | EP0966571A4 Subsurface fluid drainage and storage systems |
01/18/2001 | DE19930346A1 Sewer rinser; has flood chamber connected to collecting chamber and having blocking organ to close ventilation opening, connected to floats in collecting and flood chambers |
01/18/2001 | DE10024222A1 Connection sleeve, especially for ground slab, sewer manhole or shaft gutter; has two pipe parts of different diameters with intermediate pipe and compensation part to form smooth transition |
01/17/2001 | EP1069252A1 Flow regulating device for rainwater retention basin |
01/17/2001 | EP0977711A4 Oil from water separator |
01/11/2001 | DE19930699A1 Becken zur Rückhaltung von Oberflächenwasser Basin for the retention of surface water |
01/11/2001 | DE19912449C1 Self-cleaning rainwater filter comprises sloping passage containing tubular element which can be rotated about its axis to vary filtration performance |
01/10/2001 | EP1067243A2 Catchment basin for above ground water and construction method thereof |
01/09/2001 | US6171507 Sensing first rainfall, collecting runoff in a basin, sensing end of rain and initiating a sedimentation timing sequence, when sedimentation of impurities yields partially treated runoff, filtering the runoff and discharging outside basin |
01/04/2001 | WO2001000939A1 Stormwater sediment and litter trap |
01/02/2001 | US6168514 Apparatus for evacuating sewer gas from a sewer system |
12/28/2000 | WO2000079176A1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore |
12/28/2000 | WO2000078679A1 Flotation pile oil/water separator apparatus |
12/28/2000 | DE19926480A1 Noise-reducing filter for pneumatic waste water pumping station satisfactory day and night |
12/28/2000 | CA2374834A1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore |
12/27/2000 | CN1059945C Nozzle mud pipe |
12/26/2000 | US6164869 Device for influencing a flow of waste water |
12/26/2000 | US6164618 Joining method and joining structure as well as form for concrete products |
12/26/2000 | US6164317 Sewer pipe cover assembly |
12/26/2000 | US6164315 Apparatus for use in manufacture of sump basins |
12/21/2000 | DE19916964A1 Collector device for rainwater and waste water has retainer channel containing full-length mixed water channel with perforations in upper section |
12/20/2000 | EP0871529B1 Liquid filter |
12/20/2000 | CN2411290Y Sealing cover for drain-pipe for preventing foreign body entering |
12/20/2000 | CN2411289Y Drainage pipe fitting |
12/20/2000 | CN1059725C Water saving circulating utilization system |
12/19/2000 | US6161594 Pipe bend |
12/13/2000 | EP1059389A1 Drainage conduit with collapsible cover or grid |
12/12/2000 | US6158959 Pump impeller |
12/12/2000 | US6158925 Apparatus for installing pipeline fill |
12/07/2000 | DE19923085A1 Drosselorgan, Feineinstellungseinrichtung für ein Drosselorgan und Speicherbecken Throttle body, fine adjustment device for a throttle body and reservoirs |
12/07/2000 | DE10023866A1 Carbon filter water drain removes unpleasant smells, is smaller and lighter than bio-filters and remains effective in periods of drought and frost |
12/06/2000 | EP0758426B1 Method and apparatus for spraying grout onto the interior surface of a manhole |
12/06/2000 | CN2409254Y Rotary draining device |
11/30/2000 | WO2000071466A1 Method and apparatus for treating contaminated material containing animal or vegetable waste oil or the like |
11/30/2000 | DE10020342A1 Sewage pipe check unit |
11/29/2000 | EP0670815B1 Method and device for the separation of a contaminated top layer |
11/28/2000 | US6152160 Modular vacuum drainage system |
11/22/2000 | EP1053775A2 Constriction member, device for fine adjustment of a constriction member and storage tank. |
11/21/2000 | US6149803 Storm sewer catch basin filter |
11/16/2000 | DE19920259A1 Waste water filter for large-scale catering kitchen wastes separates water, plastic, metal, grease and bio-degradable substances |
11/15/2000 | EP1052337A1 Gully with hinged and locked cover and grating |
11/15/2000 | CN2405982Y Boosted scraper dirt-removing machine |
11/15/2000 | CN1273619A Pollutant interceptor |
11/15/2000 | CN1273314A Collector pipe mouth with cover and metal grating having hinge-joint and lockable |
11/14/2000 | US6146435 Biofilter |
11/09/2000 | WO2000066842A1 Device for sequential flushing and for distributing liquid |
11/09/2000 | DE19918791A1 Sump for floor drain has the outlet to the sewer fitted with a valve that seals the outlet when the level in the sump falls below a set minimum |
11/08/2000 | CN1272575A Preparation method of resin transferred moulding cross-winding valve well |
11/07/2000 | US6143168 Grate for a subsurface catch basin |
11/07/2000 | US6142736 Pump impeller |
11/06/2000 | CA2307948A1 Protective cover for plumbing fixtures |
11/02/2000 | WO2000065163A1 Method and apparatus for removing particulate solids from a fluid stream |
11/02/2000 | DE19919185A1 Concrete shaft bottom for sewers etc. has inward-facing ring-shaped section integral with side wall to act as tread with step surface |
11/02/2000 | DE19917074A1 Sand/solids collection trap to clean surface water consists of cylindrical container, and incoming rainwater passes along container wall via extraction device to outlet |
10/31/2000 | US6139260 Pump having a pump housing with one or more feeding grooves |
10/31/2000 | CA2213267C Method and apparatus for separating floating and non-floating particulate from rainwater drainage |
10/31/2000 | CA2212401C Adjustable sewer inlet section |
10/25/2000 | EP1046757A1 Drainage system for sanitairy units |
10/25/2000 | CN2402746Y Mesh type automatic object-catcher |
10/24/2000 | US6135141 Low profile high capacity inside drop for a manhole |
10/24/2000 | US6135140 Storm drain diverter |
10/19/2000 | DE19959250A1 Vertical shaft for drainage system has set of vertically-stacked rings with side entrances for drainage pipes and has pipes entering and leaving tangentially and passing over gently-sloping floors |
10/17/2000 | US6132626 Water and sewage screening using hydraulic power; self-cleaning |
10/17/2000 | US6132603 Trap for catch basins and process of making same |
10/17/2000 | US6132136 Drainage water pumping station and method for operating the same |
10/11/2000 | EP1041912A1 Filter device for aircraft |